: The legalization and eventual dominance of Christianity, spearheaded by Constantine the Great after the Battle of the Milvian Bridge in 312, replaced traditional Roman polytheism and reshaped the empire's social fabric.

: In 284, Diocletian inherited an empire on the verge of collapse. He divided the empire into two halves (East and West) and four rulers (the Tetrarchy) to manage its vast borders and internal instability.

The period between AD 284 and 641, often called , represents one of the most dramatic transformations in human history. It begins with Emperor Diocletian’s stabilization of a crumbling state and ends with the death of Emperor Heraclius as the Roman world gave way to the Middle Ages and the rise of Islam. The Three Pillars of the Later Empire

: The sack of Rome by Alaric in 410 and the eventual deposition of the last Western emperor in 476 marked the end of ancient Roman rule in Europe. The End of an Era (AD 641) A History of the Later Roman Empire, AD 284-641 - Wiley

According to Stephen Mitchell’s A History of the Later Roman Empire , the era is defined by three major shifts:

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A History Of The Later Roman Empire, Ad 284-641... Official

: The legalization and eventual dominance of Christianity, spearheaded by Constantine the Great after the Battle of the Milvian Bridge in 312, replaced traditional Roman polytheism and reshaped the empire's social fabric.

: In 284, Diocletian inherited an empire on the verge of collapse. He divided the empire into two halves (East and West) and four rulers (the Tetrarchy) to manage its vast borders and internal instability. A History of the Later Roman Empire, AD 284-641...

The period between AD 284 and 641, often called , represents one of the most dramatic transformations in human history. It begins with Emperor Diocletian’s stabilization of a crumbling state and ends with the death of Emperor Heraclius as the Roman world gave way to the Middle Ages and the rise of Islam. The Three Pillars of the Later Empire : The legalization and eventual dominance of Christianity,

: The sack of Rome by Alaric in 410 and the eventual deposition of the last Western emperor in 476 marked the end of ancient Roman rule in Europe. The End of an Era (AD 641) A History of the Later Roman Empire, AD 284-641 - Wiley The period between AD 284 and 641, often

According to Stephen Mitchell’s A History of the Later Roman Empire , the era is defined by three major shifts: